OTOMON Laboratory　(音門ラボ) / LCR tube preamp with separated power supply, regulator voltage 300B

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LCR tube preamp with separated power supply, regulator voltage 300B

We can provide power transformer which use for 117V, 220V, 230V, 240V.

I dont open information about schematic, parts, transformer using in my amplifier. My brand name is the guarantee to what I do with my production !!!

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LCR tube preamp with separated power supply, regulator voltage 300B

This product is special order made item, if you want the same item, please contact me for order

Manufacturer:: Langevin

Audio amplifier » Preamplifiers

LCR tube preamp with 6Dj8 and ECC82 tube. Tone control function with bass, treble and tone defeat. 300B tube was used for regulator voltage to power supply.

Phono stage tubes use 6DJ8, LCR type phono. Tone control stage use ECC82 ( 12AU7), output preamp use 6DJ8.

LCR does not like CR type or NFB type, instead of using CR combination, it uses inductor to equalizer RIAA curve. That makes signal loss much less than using CR for equalizer. The musical of sound is much better than any other type of equalizer. The disadvantage of LCR amp is the impedance of LCR block is very small and it make design of phono stage is very difficult.

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